268769 has 4 divisors (see below), whose sum is σ = 269844. Its totient is φ = 267696.

The previous prime is 268759. The next prime is 268771. The reversal of 268769 is 967862.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 238144 + 30625 = 488^2 + 175^2 .

It is a cyclic number.

It is not a de Polignac number, because 268769 - 2¹⁶ = 203233 is a prime.

It is a super-2 number, since 2×268769² = 144473550722, which contains 22 as substring.

It is a Duffinian number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 268769.

It is not an unprimeable number, because it can be changed into a prime (268729) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 59 + ... + 735.

It is an arithmetic number, because the mean of its divisors is an integer number (67461).

2²⁶⁸⁷⁶⁹ is an apocalyptic number.

It is an amenable number.

268769 is a deficient number, since it is larger than the sum of its proper divisors (1075).

268769 is an equidigital number, since it uses as much as digits as its factorization.

268769 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1074.

The product of its digits is 36288, while the sum is 38.

The square root of 268769 is about 518.4293587366. The cubic root of 268769 is about 64.5346647789.

The spelling of 268769 in words is "two hundred sixty-eight thousand, seven hundred sixty-nine".